![]() ![]() If your source mp4 video is 400MB, then make the iPod mp4 video 400MB (or smaller) in file size as you aren't gaining anything by making the iPod mp4 video larger than 400MB. That is why it is just best to follow what you have already done. So, no matter what video bitrate you pick (or what file size you make it), the resulting iPod mp4 video will not have the same quality as the source mp4 video. You are compressing something that is already compressed. En un PC con Windows 10, selecciona Inicio > Explorador de archivos o selecciona Explorador de archivos en la barra de tareas. It is the same as making a mp3 from a mp3 or making a aac from a mp3 (or a wma from a mp3, a aac from a wma, etc.). So now you take a mp4 video and convert it again to another mp4 and you are compressing a already compressed video so that the resulting iPod mp4 video has 16% of the visual information from the source, uncompressed video. The iPod mp4 setting you are using to produce the same file size also produces a video with 40% the visual information from a uncompressed video file. So the source mp4 video has roughly 40% of the visual information from the original file. ![]() You are making compressed videos for your iPod that are also in the mp4 format (either the mpeg-4 or mpeg-4 AVC video formats). The mpeg-4 video format is a compressed video format, this means that your source mp4 vidoes are already compressed. ![]()
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